package com.xuebang.admin.util;

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileOutputStream;
import javax.imageio.ImageIO;
import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGImageEncoder;
 
public final class ImageUtils {
	
    public ImageUtils() {
    }
 
    /**
     * 把图片印刷到图片上
     * @param pressImg -- 水印文件
     * @param targetImg -- 目标文件
     * @param x --x坐标
     * @param y --y坐标
     */
    public final static void pressImage(String pressImg, String targetImg,int x,int y) {
        try {
            //目标文件
            File _file = new File(targetImg);
            Image src = ImageIO.read(_file);
            int wideth = src.getWidth(null);
            int height = src.getHeight(null);
            BufferedImage image = new BufferedImage(wideth, height,BufferedImage.TYPE_INT_RGB);
            Graphics g = image.createGraphics();
            g.drawImage(src, 0, 0, wideth, height, null);
 
            //水印文件
            File _filebiao = new File(pressImg);
            Image src_biao = ImageIO.read(_filebiao);
            //int wideth_biao = src_biao.getWidth(null);//10:3
            //int height_biao = src_biao.getHeight(null);
            g.drawImage(src_biao, wideth-height/3-x, height-height/10-y, height/3, height/10, null);
            /*g.drawImage(src_biao, (wideth - wideth_biao) / 2, (height - height_biao) / 2, wideth_biao, height_biao, null);*/
            //水印文件结束
            g.dispose();
            FileOutputStream out = new FileOutputStream(targetImg);
            JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
            encoder.encode(image);
            out.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
 
    /**
     * 打印文字水印图片
     * 
     * @param pressText --文字
     * @param targetImg -- 目标图片
     * @param fontName -- 字体名
     * @param fontStyle --  字体样式
     * @param fontSize --  字体大小
     * @param x -- 偏移量
     * @param y
     */
 
    public static void pressText(String pressText,String pressText1, String targetImg, String fontName, int fontStyle, int x, int y) {
        try {
        	//目标图片
            File _file = new File(targetImg);
            Image src = ImageIO.read(_file);
            int wideth = src.getWidth(null);
            int height = src.getHeight(null);
            BufferedImage image = new BufferedImage(wideth, height, BufferedImage.TYPE_INT_RGB);
            Graphics g = image.createGraphics();
            g.drawImage(src, 0, 0, wideth, height, null);
            
            int fontSize=height/10;
            //水印文字 pressText, pressText1
            Color lyk_color = new Color(227,84,34);
            g.setColor(lyk_color);
            //g.setColor(Color.RED);
            g.setFont(new Font(fontName, fontStyle, fontSize));
 
            g.drawString(pressText, x, height - fontSize/ 2 - fontSize/ 2);//字根据图片的大小变动
            g.drawString(pressText1, x, height - fontSize/4 - y);
            g.dispose();
            FileOutputStream out = new FileOutputStream(targetImg);
            JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
            encoder.encode(image);
            out.close();
        } catch (Exception e) {
            System.out.println(e);
        }
    }
 
    public static void main(String[] args) {
    	pressImage("D:/logo.png", "D:/7.jpg",0,0);
    	//pressText("字体1","字体2", "D:/6.jpg", "宋体", 3,0,0);
    }
}

